How secure is AWS?

Your data on AWS or any other public cloud service provider is entirely secured given you comply and use them within their Security Guidelines.

For example, you should not share/use API or Machine Access Keys in your code. And even if you did and you uploaded your code on GitHub in Public Repo, your Access Key can be misused and your hacked before you know it.

AWS provides security features and platforms to help you to develop, host and deploy apps and data. Few of the features involve:

Other then these and rest of In-built security features and guidelines on it Services AWS provides Security Support and Professional Services who can provide strategic support to build In-depth Security Solutions.